CA2375930C - Catheter permettant d'administrer uniformement un medicament - Google Patents

Catheter permettant d'administrer uniformement un medicament Download PDF

Info

Publication number
CA2375930C
CA2375930C CA002375930A CA2375930A CA2375930C CA 2375930 C CA2375930 C CA 2375930C CA 002375930 A CA002375930 A CA 002375930A CA 2375930 A CA2375930 A CA 2375930A CA 2375930 C CA2375930 C CA 2375930C
Authority
CA
Canada
Prior art keywords
fluid
catheter
tube
spring
lumen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002375930A
Other languages
English (en)
Other versions
CA2375930A1 (fr
Inventor
Jose Castillo Deniega
Roger Massengale
Kenneth W. Rake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Avent Inc
Original Assignee
I Flow Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by I Flow Corp filed Critical I Flow Corp
Priority to CA2564281A priority Critical patent/CA2564281C/fr
Publication of CA2375930A1 publication Critical patent/CA2375930A1/fr
Application granted granted Critical
Publication of CA2375930C publication Critical patent/CA2375930C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/0069Tip not integral with tube
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M2025/0037Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M2025/0039Multi-lumen catheters with stationary elements characterized by lumina being arranged coaxially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M2025/0057Catheters delivering medicament other than through a conventional lumen, e.g. porous walls or hydrogel coatings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M2025/0073Tip designed for influencing the flow or the flow velocity of the fluid, e.g. inserts for twisted or vortex flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Materials For Medical Uses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Endoscopes (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

Cette invention concerne un cathéter permettant d'administrer un médicament fluide à travers une zone anatomique. Dans un mode de réalisation, le cathéter comprend un tube allongé avec plusieurs trous de sortie le long d'une section d'infusion dudit cathéter, ainsi qu'un élément poreux flexible et allongé qui est disposé dans le tube de manière à former un espace annulaire entre lui-même et ledit tube. Dans d'autres modes de réalisation, le cathéter comprend un tube possédant plusieurs trous de sortie dans sa paroi latérale. Les trous de sortie peuvent se combiner de manière à former un orifice de restriction de débit dudit cathéter. Le liquide se trouvant dans le cathéter s'écoule avantageusement à travers tous les trous de sortie, ce qui assure une répartition uniforme du fluide dans la zone anatomique. Dans un mode de réalisation particulier, le cathéter comprend un tube comportant plusieurs fentes de sortie allongées. Dans d'autres modes de réalisation, le cathéter comprend un élément tubulaire fait d'une membrane poreuse. Cette membrane poreuse est conçue de sorte qu'un fluide introduit dans l'extrémité ouverture de l'élément tubulaire s'écoule à travers les parois latérales de ce dernier selon un débit essentiellement uniforme et sur une certaine longueur dudit élément tubulaire. Dans d'autres modes de réalisation, le cathéter comprend un ressort hélicoïdal tubulaire et </= retombant >/= qui est fixé à une extrémité du tube ou qui est contenu dans ce dernier. Le fluide se trouvant dans le tube à une pression supérieure ou égale à une pression seuil va d'écouler avantageusement radialement et vers l'extérieur à travers les spires du ressort. Le fluide est avantageusement distribué uniformément sur toute une longueur donnée du ressort.
CA002375930A 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament Expired - Lifetime CA2375930C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2564281A CA2564281C (fr) 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/363,228 1999-07-19
US09/363,228 US6350253B1 (en) 1999-07-19 1999-07-19 Catheter for uniform delivery of medication
PCT/US2000/019746 WO2001005210A2 (fr) 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2564281A Division CA2564281C (fr) 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament

Publications (2)

Publication Number Publication Date
CA2375930A1 CA2375930A1 (fr) 2001-01-25
CA2375930C true CA2375930C (fr) 2009-05-12

Family

ID=23429364

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002375930A Expired - Lifetime CA2375930C (fr) 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament
CA2564281A Expired - Lifetime CA2564281C (fr) 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2564281A Expired - Lifetime CA2564281C (fr) 1999-07-19 2000-07-19 Catheter permettant d'administrer uniformement un medicament

Country Status (25)

Country Link
US (11) US6350253B1 (fr)
EP (2) EP1202768B1 (fr)
JP (3) JP4387626B2 (fr)
KR (3) KR20020035104A (fr)
CN (3) CN1951516B (fr)
AT (1) ATE449626T1 (fr)
AU (3) AU777560B2 (fr)
BR (1) BR0012686B1 (fr)
CA (2) CA2375930C (fr)
CZ (1) CZ2002215A3 (fr)
DE (1) DE60043389D1 (fr)
DK (1) DK2135633T3 (fr)
ES (1) ES2450369T3 (fr)
HK (1) HK1046507B (fr)
HU (1) HU226403B1 (fr)
IL (1) IL147713A0 (fr)
MX (1) MXPA02000637A (fr)
NO (1) NO20020284L (fr)
NZ (2) NZ516785A (fr)
PL (2) PL203274B1 (fr)
PT (1) PT2135633E (fr)
RU (1) RU2303468C2 (fr)
TR (2) TR200200373T2 (fr)
UA (1) UA74552C2 (fr)
WO (1) WO2001005210A2 (fr)

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